CVE-2026-91713: Medium severity Google Chrome vulnerability
Chromium CVE-2026-91713: Missing authorization
Other sources
Missing authorization in Browser in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases](https://chromereleases.googleblog.com/2026)) for more information.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.46 - Upgrade
Upgrade
Google Chrome (Chromium)to a version that resolves this vulnerability.Fixed in 153.0.8010.47
Event History
Frequently Asked Questions
What must an attacker achieve before this issue can be exploited?
The attacker must first compromise the Chrome renderer process. After that, they can use a crafted HTML page to spoof UI elements.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.47 are affected.
What is the practical impact of successful exploitation?
A compromised renderer process can spoof browser UI elements, which could make attacker-controlled page content appear to be trusted browser interface.